# US 2019/0169749 A1 · Display apparatus and method of manufacturing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0169749 A1 - Document ID: US20190169749A1 - Status: Published application - Kind: A1 - Application number: 16/265,872 - Filed: 2019-02-01 - Published: 2019-06-06 - Earliest claimed: 2014-07-10 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Sun-Youl Lee - Web page: https://patentgrep.com/patent/US20190169749A1 ## CPC - H10K 59/12: Active-matrix OLED [AMOLED] displays - C23C 16/50: using electric discharges {(generation and control of plasma in discharge tubes for surface treatment H01J37/32, H01J37/34)} - H10K 71/851: {Division of substrate} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) ## Abstract A display apparatus includes a substrate on which a central area and a peripheral area adjacent to the central area are arranged. The central area includes a display area. The display apparatus further includes: at least one insulation pattern that is formed in the peripheral area; a groove from which a material for forming the insulation pattern is removed and that is formed adjacent to the insulation pattern; and at least one insulating layer that is interposed between the insulation pattern and the substrate. The groove is located in the at least one insulating layer. ## Claims ### Claim 1 A display apparatus comprising a substrate comprising a central area and a peripheral area adjacent to the central area, the central area comprising a display area, the display apparatus further comprising: a first insulating layer on the substrate; a plurality of insulation patterns on the first insulating layer at the peripheral area and extending along a same plane that is substantially parallel to the substrate, at least two of the insulation patterns being spaced apart from each other in a direction from the display area toward an edge of the substrate; a plurality of grooves located adjacent to one of the insulation patterns; a thin-film transistor (TFT) at the central area of the substrate, the TFT comprising an active layer, the active layer being directly on the first insulating layer; and a central insulating layer at the central area on the substrate, the central insulating layer being disposed on or over the first insulating layer, and the central insulating layer being disposed on at least a conductive layer of the TFT, wherein a first one of the grooves corresponds to the edge of the substrate and a second one of the grooves is between the central insulating layer and one of the insulating patterns. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the first one of the grooves is adjacent to all edges of the substrate. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein the insulation patterns are spaced from at least one edge of the substrate. ### Claim 4 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer is a single layer. ### Claim 5 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer comprises a plurality of stacked layers. ### Claim 6 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer comprises an inorganic material. ### Claim 7 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer comprises oxide, nitride, or oxynitride. ### Claim 8 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer extends over at least a portion of the central area on the substrate. ### Claim 9 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer extends over at least a portion of the display area on the substrate. ### Claim 10 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer completely covers a top surface of the substrate. ### Claim 11 (depends on 1) The display apparatus of claim 1, wherein the first insulating layer exposes a portion of a top surface of the substrate. ### Claim 12 (depends on 1) The display apparatus of claim 1, wherein the insulation patterns extend lengthwise in parallel to at least one edge of the substrate. ### Claim 13 (depends on 1) The display apparatus of claim 1, wherein the plurality of the insulation patterns that are spaced from each other are formed in one direction, the grooves are located between the insulation patterns that are adjacent to each other. ### Claim 14 (depends on 13) The display apparatus of claim 13, further comprising another plurality of insulation patterns formed in another direction that crosses the one direction. ### Claim 15 (depends on 1) The display apparatus of claim 1, wherein at least one edge of the substrate is defined by a cutting line. ### Claim 16 (depends on 1) The display apparatus of claim 1, wherein the insulation patterns comprise multiple layers. ### Claim 17 (depends on 1) The display apparatus of claim 1, wherein the insulation patterns comprise an inorganic material. ### Claim 18 (depends on 1) The display apparatus of claim 1, wherein the insulation patterns comprise a central insulation pattern and a peripheral insulation pattern around the central insulation pattern, and a width of the central insulation pattern is different from a width of the peripheral insulation pattern. ### Claim 19 (depends on 18) The display apparatus of claim 18, wherein the width of the central insulation pattern is greater than the width of the peripheral insulation pattern. ### Claim 20 (depends on 1) The display apparatus of claim 1, wherein ones of the insulation patterns have an island pattern.